Mode of fastening ventilators in place



UNITED STATES PATENT OFFICE.

MAX ZABEL, OF MILWAUKEE, WISCONSIN.

MODE OF FASTENING VENTILATORS IN PLACE.

Specification forming partof Letters Patent No. 55,757, (lated June 19, 1866.

To all whom it may concern:

Be. it known that I, MAX ZABEL, ot' the city and county of Milwaukee, State of LVisconsin, have invented a new and Improved Mode in Fastening Air-Ventilators in Place; and vI do hereby declare that the following is a full and exact descriptionthereot', reference being had to the accompanying drawings and to the letters of reference marked thereon.

My invention relates to the afxing or attaching of air ventilators or registers in the holes or spaces arranged for them in cars, Ste., and has special reference to the so eonstructin g and adapting of such ventilators or registers as to allow of their ready and easy attach ability or detaohability for any purpose whatever.

Figure 1, letter A, is the front view ot' ventilator', showing openings foroirculation ofair; Fig. 2, letter B, the valve to open or close the openings for ventilation 5 Fig. 3, letter C, reverse ot' front, and showing openings for ventilation Fig. 4, letter D, section of ventilator,

showing lever and spring-the spring used in securing ventilator in place, the lever used in controlling valve regulating openings in ventilator.

Letters e e e show springs secured to rim of ventilator and fastening the same in place, as desired; letter j', lever moving valve B, and controlling openings for circulation ot' air; Letters g g g g, &c., openings for air.

I do not claim any part ot' the ventilator, knowing the saine has been before. known and used but I do claim and desire to secure by Letters Patent- The springs e e e, securing the ventilator in place, when arranged and applied as shown and set forth.

MAX ZABEL.

Witnesses:

G. W. MYGATT, E. SCHUMACHER. 

